Pulley-frame.



'PATENTED JULY 16, 1907; L. ZAMBONI. PULLBY FRAME. APPLICATION FILEDJULY 18, 1904.

Flaz.

WITNESSES} i;

THE mama's PE'IERS 50 vusumarmv, n. c.

UNITED STATES PATENT OFFICE. LAWRENCE ZAMBONI, OF PEIILADELPHIA,PENNSYLVANIA, ASSIGNOR TO THE AMERICAN PU-LLEY COMPANY, OF PHILADELPHIA,PENNSYLVANIA, A CORPORATION OF PENNSYL- VANIA.

PULLEY-FRAME.

N0. 860,113. Specification of Letters Patent. Patented July 16, 1907.

Application filed July 18, 1904. serial N r 217,089.

To all whom it may concern: the lug 17, on the casing member 6, and, thelug 16, un-

Be it known that I, LAWRENCE ZAMBONI, of Philaderlying the lug 19, onthe casing member 6. Said O delphia, in the State of Pennsylvania, haveinvented casing members may also be connected at their junccertain newand useful Improvements in Pulleytion 20, by solder 21, either local tosaid recesses 7 and 8,

5 Frames, whereof the following is a specification, referor extendingthroughout the curved perimeter of the once being had to theaccompanying drawings. casing.

My invention relates particularly to frames for Win- It may be notedthat as indicated in Fig. I, the redow sash pulleys, and, it is theobject of my invention cesses 7, and 8, in the casing members areprovided to provide a frame of pressed sheet metal, which can be withregistered rounded margins 22, and 23, so that the 10 manufactured atless cost than the cast metal frames sash cord will not be abraded ifswung into Contact heretofore employed. therewith by the vibration ofthe sash weight.

As hereinafter described my invention includes a Referring particularlyto Fig. I, it may be noted that frame comprising a face plate which isadapted to be set the shaft 4, is disposed eccentrically in relation tothe in the window jamb and to which is rigidly secured a height of thepulley casing, to afford a larger space 15 pressed sheet metal casinginclosing a pulley and supabove than below the pulley 2; for the reasonthat the porting a shaft upon which the pulley rotates. Said cordextends over the pulley, and the desired room for easing may be formedof two oppositely pressed pieces the same is thus secured with theminimum amount of of sheet metal provided with lugs which overlap inenmetal. gagement with rivets by which the casing is secured t0 I do notdesire to limit myself to the precise details of 20 the face late.construction and arran ement herein s ecified, as vari- My inventioncomprises the various novel features of (ms modifications may be madetherein without deconstruction and arrangement hereinafter moredefiparting from the essential features of my invention. nitelyspecified. I claim:

In the drawings, Figure I, is a side elevation of a 1. In a pulleyframe, the combination with a face plate;

25 frame Conveniently b d i my invention Fi of oppositely pressed sheetmetal members forming a pul- II is a rear elevation of said frame. Fig.III is a secley casing; lugs on Said casing members extending pmi allelwith said face plate and arranged to overlap each tlonal new! taken onthe ine III, III, 111 Flgg th r; rivets, each extending through saidface plate and IV, and V, show the sheet metal blanks for therespecthrough said lugs upon the respective casing members, ti l it id fth casing connecting the same in rigid relation; a shaft in said 30Referring to Figs I II and 1 is the face plate casing, rigidlyconnecting its opposite members, compris- 1 h ing' shoulders abuttingagainst the inner faces of said thlough Whlch P ey P adlomlng members,and ends of less diameter entered through said sash Whose cord 1s toextend over said pulley. Sa d casing members and riveted exteriorthereto; and a pul pulley is mounted to rotate on the shaft 4, which leymounted to rotate in said casing on said shaft, subtends through and isprovided with rivet heads outside stantmny Set forth" 35 f th b 5 d 6 1ich r r 5 ed 2. In a pulley frame, the combination with a face plate; 0e Opposl e mem 61S a e s of oppositely pressed sheet metal membersforming a pulflOIIl Sheet metal 0 01111 a ca g having complemenleycasing.; each of said casing members having two lugs tary curved flangessubstantially concentric with said extending parallel with said face plae, i r pec ively pulley inclosino, Said pulley and Provided with regisdifferent planes at the opposite ends thereof; means local t d c 7and8throu which the Cord d8 ends to said lugs, connecting said face plateand casing in ele 1e esses g p rigid -relation; a shaft in said casing;and, a pulley 40 from the P y Wlthm the Window It y be mounted to rotatein said casing on said shaft, substannoted that said curvedrfianges onthe opposite casing tially as set forth. members form a dust proof coverfor the upper portion f Y fi'f slgnedhmg of the pulley 2. Said casingmembers 5, and 6, being fi $352 ennsy vama t 15 fomteent ay 0 rigidlyconnected by said shaft 4, are respectively pro- 45 vided with lugs toreceive the rivets 10, and 11, and I support the casing in rigidrelation with the face plate Witnesses As shown in Figs. I, and II, thecasing member 5, 1s JOSEPH ENTWISLE, provided with lugs 15, and 16, theformer overlapping CHARLES BRINLEY- LAWRENCE ZAMBONI.

